Vulnerability & Risk Security Lead – Hybrid Cloud

NTT Ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NTT DATA in Singapore is seeking an IT Security Officer to support the client's information security program across on‑premises and AWS. You will drive vulnerability management lifecycle, maintain Risk Register, coordinate risk acceptance with stakeholders, and oversee day‑to‑day security operations including signature updates and vendor notifications.

The role requires 3–5+ years in IT security operations, hands-on vulnerability scanning experience (Tenable, Qualys, Rapid7), and strong

Qualifications

• Bachelor’s degree in information security, Computer Science, or related field (or equivalent work experience).
• 3-5+ years of experience in IT security operations, vulnerability management, or risk management.
• Hands-on experience with vulnerability scanning tools (e.g., Tenable/Nessus, Qualys, Rapid7).
• Working knowledge of AWS security services and shared responsibility model.
• Solid understanding of CVSS scoring methodology and risk prioritization.
• Experience developing and managing Risk Registers and Risk Acceptance documentation.
• Excellent stakeholder management and communication skills.

Responsibilities

• Execute and manage regular vulnerability scans across on-premises infrastructure and AWS services.
• Generate, review, and distribute vulnerability reports to technical teams and leadership.
• Track remediation status and escalate overdue items per SLAs.
• Own and maintain the organization’s Risk Register and draft Risk Acceptance forms.
• Coordinate with stakeholders to review and sign-off on risk acceptances.
• Monitor security signature updates across the environment.
• Review vendor bulletins to determine applicability to the customer’s environment.
• Perform CVSS-based impact analysis and provide risk-based recommendations.
• Prepare periodic status reports and dashboards for leadership.

Skills

IT Security Operations

Vulnerability Management

Risk Management

Security Monitoring

Stakeholder Communication

Education

Bachelor’s degree in Information Security or CS

Tools

Tenable Nessus

Qualys

Rapid7

AWS Security Services

Job description

NTT DATA in Singapore is seeking an IT Security Officer to support the client's information security program across on‑premises and AWS. You will drive vulnerability management lifecycle, maintain Risk Register, coordinate risk acceptance with stakeholders, and oversee day‑to‑day security operations including signature updates and vendor notifications.

The role requires 3–5+ years in IT security operations, hands-on vulnerability scanning experience (Tenable, Qualys, Rapid7), and strong